747-400 AMM 飞机维护手册 灯 LIGHTS(101)

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 A.  This procedure contains two tasks. The first task is the removal of the transformers for the wingtip navigation lights (Referred to as the transformer).
 B.  The second task is the installation of the transformer.
 TASK 33-43-03-004-001
 2.  Transformer Removal (Fig. 401)___________________
 A.  Special Tools and Equipment
 (1) Lock, Leading Edge Flap Drive Unit (Ref 27-81-00/201)
 B.  References
 (1)
24-22-00/201, Manual Control

 (2)
27-81-00/201, Leading Edge Flap System

 (3)
SSM 33-43-10

 C.  Access
 (1)  Location Zone
 537 Variable Camber Flap No. 1A Left
 637 Variable Camber Flap No. 1A Right

 D.  Procedure
 S 864-026
 (1) Prepare for the Removal:
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE
_______ AND TE FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (a)  Do this task: "Leading Edge Flap Extension" (Ref 27-81-00/201).
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO
_______ INSTALL THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (b)  Do this task: "Extended Leading Edge Flap Deactivation and Safety Lock Installation" (Ref 27-81-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

WINGTIP NAVIGATION LIGHT TRANSFORMERS
SEE

A

Wing Tip Navigation Light Transformer Installation
Figure 401

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A
747-400 MAINTENANCE MANUAL
 (c)  
Install a DO-NOT-OPERATE tag on the flap control lever.

 (d)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 1)  P6 Power Distribution Panel a) 6L29 NAV LTS R WING b) 6L28 NAV LTS L WING & CONT
 S 024-027
 (2)  Remove the Transformer:
 (a)  
Disconnect the electrical connector (1) from the transformer (2).

 (b)  
Remove the screws (3) and remove the transformer (2).

 TASK 33-43-03-404-007
 3.  Transformer Installation (Fig. 401)________________________
 A.  Special Tools and Equipment
 (1)  Lock, Leading Edge Flap Drive Unit (Ref 27-81-00/201)
 B. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Electrical Connector | TBF | | | | | | | | | | | | 2 | Transformer | 33-43-00 | 02 | 160 | | | 3 | Mounting Screws | TBF | | | | | | | | | | 2......…........…...................................…..........…......…........1
 C.  References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 27-81-00/201, Leading Edge Flap System

 (3)  
SSM 33-43-10

 D.  Access
 (1)  Location Zone
 537 Variable Camber Flap No. 1A Left
 637 Variable Camber Flap No. 1A Right

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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